<?php
/**
 * 汉字排序
 * User: admin
 * Date: 2018/3/19
 * Time: 10:39
 */
 class Sort
 {
     public function getFirstChar($s){
         $s0 = mb_substr($s,0,3); //获取名字的姓
         $s = iconv('UTF-8','gb2312', $s0); //将UTF-8转换成GB2312编码
         if (ord($s0)>128) { //汉字开头，汉字没有以U、V开头的
             $asc=ord($s{0})*256+ord($s{1})-65536;
//             var_dump($asc);
             if($asc>=-20319 and $asc<=-20284)return "A";
             if($asc>=-20283 and $asc<=-19776)return "B";
             if($asc>=-19775 and $asc<=-19219)return "C";
             if(($asc>=-19218 and $asc<=-18711) || $asc==-2068)return "D";
             if($asc>=-18710 and $asc<=-18527)return "E";
             if($asc>=-18526 and $asc<=-18240)return "F";
             if($asc>=-18239 and $asc<=-17760)return "G";
             if($asc >= -17922 && $asc <= -17418)return "H";
             if($asc>=-17247 and $asc<=-17418)return "I";
             if(($asc >= -17417 && $asc <= -16475)||$asc==-3928 || $asc==-6468 || $asc==-6712)return "J";
             if($asc>=-16474 and $asc<=-16213)return "K";
             if(($asc>=-16212 and $asc<=-15641)||$asc==-8285 || $asc==-5964)return "L";
             if($asc>=-15640 and $asc<=-15166)return "M";
             if($asc>=-15165 and $asc<=-14923)return "N";
             if($asc>=-14922 and $asc<=-14915)return "O";
             if($asc>=-14914 and $asc<=-14631)return "P";
             if($asc>=-14630 and $asc<=-14150)return "Q";
             if($asc>=-14149 and $asc<=-14091)return "R";
             if(($asc >= -14090 && $asc <= -13319)||$asc==-5660 || $asc==-6474)return "S";
             if($asc>=-13318 and $asc<=-12839)return "T";
             if(($asc>=-12838 and $asc<=-12557) || $asc==-8527)return "W";
             if($asc>=-12556 and $asc<=-11848)return "X";
             if($asc>=-11847 and $asc<=-11056)return "Y";
             if($asc>=-11055 and $asc<=-10247)return "Z";
         }else if(ord($s)>=48 and ord($s)<=57){ //数字开头
             switch(iconv_substr($s,0,1,'utf-8')){
                 case 1:return "Y";
                 case 2:return "E";
                 case 3:return "S";
                 case 4:return "S";
                 case 5:return "W";
                 case 6:return "L";
                 case 7:return "Q";
                 case 8:return "B";
                 case 9:return "J";
                 case 0:return "L";
             }
         }else if(ord($s)>=65 and ord($s)<=90){ //大写英文开头
             return substr($s,0,1);
         }else if(ord($s)>=97 and ord($s)<=122){ //小写英文开头
             return strtoupper(substr($s,0,1));
         } else {
             return iconv_substr($s0,0,1,'utf-8');
           //中英混合的词语，不适合上面的各种情况，因此直接提取首个字符即可
         }
     }
     public function addPeople($userName)
     {

         sort($userName);
         foreach($userName as $name){
             $char = $this->getFirstChar($name);
             $nameArray = array();
             if(count(@$charArray[$char])!=0){
                 $nameArray = $charArray[$char];
             }
             array_push($nameArray,$name);
             $charArray[$char] = $nameArray;
         }
         ksort($charArray);
         return $charArray;
     }
   }